21000795

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2377}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 36526080

約数和(自身を除く): 15525285

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2377, 2945, 7131, 8835, 11885, 35655, 45163, 73687, 135489, 221061, 225815, 368435, 677445, 1105305, 1400053, 4200159, 7000265, 21000795]

約数ペア:

[(1, 21000795), (3, 7000265), (5, 4200159), (15, 1400053), (19, 1105305), (31, 677445), (57, 368435), (93, 225815), (95, 221061), (155, 135489), (285, 73687), (465, 45163), (589, 35655), (1767, 11885), (2377, 8835), (2945, 7131)]